Which of the given statements is INCORRECT about glycogen?
Biomolecules · Class 12 · JEE Main Previous Year Question
Which of the given statements is INCORRECT about glycogen?
- a
It is present in some yeast and fungi
- b
It is present in animal cells
- c
Only -linkages are present in the molecule
- d✓
It is a straight chain polymer similar to amylase
It is a straight chain polymer similar to amylase
Step 1: Glycogen Overview — Glycogen is the primary storage polysaccharide in animals and is also found in بعض yeast and fungi.
Step 2: Comparative Structure — While it is made of glucose units linked by -glycosidic bonds (similar to starch), its architecture is highly branched.
Step 3: Identifying the Incorrect Statement — Glycogen is branched like amylopectin, not a straight-chain polymer like amylose. Thus, statement (d) is incorrect.
Key Point: High branching allows for rapid mobilization of glucose during energy demands.
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